Search Results - "Yao, Huifeng"
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Recent Advances in Single‐Junction Organic Solar Cells
Published in Angewandte Chemie International Edition (12-09-2022)“…Single‐junction organic solar cells (OSCs) have made significant progress in recent years. Innovations in material design and device optimization have improved…”
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Over 16% efficiency organic photovoltaic cells enabled by a chlorinated acceptor with increased open-circuit voltages
Published in Nature communications (07-06-2019)“…Broadening the optical absorption of organic photovoltaic (OPV) materials by enhancing the intramolecular push-pull effect is a general and effective method to…”
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Improved Charge Transport and Reduced Nonradiative Energy Loss Enable Over 16% Efficiency in Ternary Polymer Solar Cells
Published in Advanced materials (Weinheim) (01-09-2019)“…Recent advances in the material design and synthesis of nonfullerene acceptors (NFAs) have revealed a new landscape for polymer solar cells (PSCs) and have…”
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Molecular Design of Benzodithiophene-Based Organic Photovoltaic Materials
Published in Chemical reviews (22-06-2016)“…Advances in the design and application of highly efficient conjugated polymers and small molecules over the past years have enabled the rapid progress in the…”
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A High‐Efficiency Organic Solar Cell Enabled by the Strong Intramolecular Electron Push–Pull Effect of the Nonfullerene Acceptor
Published in Advanced materials (Weinheim) (19-04-2018)“…Besides broadening of the absorption spectrum, modulating molecular energy levels, and other well‐studied properties, a stronger intramolecular electron…”
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Over 14% Efficiency in Organic Solar Cells Enabled by Chlorinated Nonfullerene Small‐Molecule Acceptors
Published in Advanced materials (Weinheim) (12-07-2018)“…To make organic solar cells (OSCs) more competitive in the diverse photovoltaic cell technologies, it is very important to demonstrate that OSCs can achieve…”
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Realizing Ultrahigh Mechanical Flexibility and >15% Efficiency of Flexible Organic Solar Cells via a “Welding” Flexible Transparent Electrode
Published in Advanced materials (Weinheim) (01-04-2020)“…The power conversion efficiencies (PCEs) of flexible organic solar cells (OSCs) still lag behind those of rigid devices and their mechanical stability is…”
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Fine-Tuned Photoactive and Interconnection Layers for Achieving over 13% Efficiency in a Fullerene-Free Tandem Organic Solar Cell
Published in Journal of the American Chemical Society (31-05-2017)“…Fabricating organic solar cells (OSCs) with a tandem structure has been considered an effective method to overcome the limited light absorption spectra of…”
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Design and Synthesis of a Low Bandgap Small Molecule Acceptor for Efficient Polymer Solar Cells
Published in Advanced materials (Weinheim) (01-10-2016)“…A novel non‐fullerene acceptor, possessing a very low bandgap of 1.34 eV and a high‐lying lowest unoccupied molecular orbital level of −3.95 eV, is designed…”
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Design and application of volatilizable solid additives in non-fullerene organic solar cells
Published in Nature communications (07-11-2018)“…Most of the high-performance organic solar cells are fabricated with the assistance of high-boiling-point solvent additives to optimize their charge transport…”
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Achieving Over 15% Efficiency in Organic Photovoltaic Cells via Copolymer Design
Published in Advanced materials (Weinheim) (05-04-2019)“…Ternary blending and copolymerization strategies have proven advantageous in boosting the photovoltaic performance of organic solar cells. Here, 15% efficiency…”
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New Wide Band Gap Donor for Efficient Fullerene-Free All-Small-Molecule Organic Solar Cells
Published in Journal of the American Chemical Society (08-02-2017)“…A new organic small molecule, DRTB-T, that incorporates a two-dimensional trialkylthienyl-substituted benzodithiophene core building block was designed and…”
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Side Chain Selection for Designing Highly Efficient Photovoltaic Polymers with 2D-Conjugated Structure
Published in Macromolecules (22-07-2014)“…Recently, the benzodithiophene- (BDT-) based polymers with conjugated side groups attracted considerable attention due to their superior properties in polymer…”
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A unified description of non-radiative voltage losses in organic solar cells
Published in Nature energy (01-08-2021)“…Recent advances in organic solar cells based on non-fullerene acceptors (NFAs) come with reduced non-radiative voltage losses (Δ V nr ). Here we show that, in…”
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Manipulating Aggregation and Molecular Orientation in All-Polymer Photovoltaic Cells
Published in Advanced materials (Weinheim) (21-10-2015)“…Manipulating molecular orientation at the donor/acceptor interface is the key to boosting charge separation properties and efficiencies of…”
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Tuning the Hybridization of Local Exciton and Charge‐Transfer States in Highly Efficient Organic Photovoltaic Cells
Published in Angewandte Chemie International Edition (02-06-2020)“…Decreasing the energy loss is one of the most feasible ways to improve the efficiencies of organic photovoltaic (OPV) cells. Recent studies have suggested that…”
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Two Well‐Miscible Acceptors Work as One for Efficient Fullerene‐Free Organic Solar Cells
Published in Advanced materials (Weinheim) (01-07-2017)“…High‐performance ternary organic solar cells are fabricated by using a wide‐bandgap polymer donor (bithienyl‐benzodithiophene‐alt‐fluorobenzotriazole…”
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High-Efficiency Polymer Solar Cells Enabled by Environment-Friendly Single-Solvent Processing
Published in Advanced energy materials (01-03-2016)“…Green‐single‐solvent‐prepared polymer solar cells (PSCs) with efficiency of 9.7% based on PBDT‐TS1:PC71BM are realized without resorting to any additives or…”
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Controlling Blend Morphology for Ultrahigh Current Density in Nonfullerene Acceptor-Based Organic Solar Cells
Published in ACS energy letters (09-03-2018)“…In this Letter, we highlight a system with a well-known polymer donor (PTB7-Th) blended with a narrow band gap nonfullerene acceptor (IEICO-4F) as the active…”
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Fluorination vs. chlorination: a case study on high performance organic photovoltaic materials
Published in Science China. Chemistry (01-10-2018)“…Halogenation is a very efficient chemical modification method to tune the molecular energy levels, absorption spectra and molecular packing of organic…”
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